Three of the fourteen punctuation marks are appropriate for use as sentence endings. They are the period, question mark, and exclamation point. The period (. ) is placed at the end of declarative sentences, statements thought to be complete and after many abbreviations. As a sentence ender: Jane and

Use quotation marks [ “ ”] to set off material that represents quoted or spoken language. Quotation marks also set off the titles of things that do not normally stand by themselves: short stories, poems, and articles.